Effects of different energy and rumen undegradable protein levels on dairy cow's production performance at mid-lactation period
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Park, Su Bum
(National Institute of Animal Science, RDA)
Lim, Dong Hyun (National Institute of Animal Science, RDA) Park, Seong Min (National Institute of Animal Science, RDA) Kim, Tae Il (National Institute of Animal Science, RDA) Choi, Sun Ho (National Institute of Animal Science, RDA) Kwon, Eung Gi (National Institute of Animal Science, RDA) Seo, Jakyeom (Department of Animal Biosystem Sciences, Chungnam National University) Seo, Seongwon (Department of Animal Biosystem Sciences, Chungnam National University) Ki, Kwang Seok (National Institute of Animal Science, RDA) |
1 | Allen MS. 2000. Effects of diet on short-term regulation of feed intake by lactating dairy cows. Journal of Dairy Science 83:1598-1624. DOI ScienceOn |
2 | AOAC. 2007. Official methods of analysis. 18th ed., revision 4. AOAC International. |
3 | Cyriac, J, Rius, AG, McGilliard, ML, Pearson, RE, Bequette, BJ, Hanigan, MD. 2008. Lactation performance of midlactation dairy cows fed ruminally degradable protein at concentrations lower than national research council recommendations. Journal of Dairy Science 91:4704-4713. DOI ScienceOn |
4 | Harstad OM, Prestlokken E. 2000. Effective rumen degradability and intestinal indigestibility of individual amino acids in solvent-extracted soybean meal (SBM) and xylose-treated SBM (SoyPass(R)) determined in situ. Animal Feed Science and Technology 83:31-47. DOI ScienceOn |
5 | NIAS. 2012. Korean Feeding Standards: Dairy Cattle. Rural Development Administration. Korea. |
6 | Oba M, Allen MS. 2003. Hypophagic effects of ammonium are greater when infused with propionate compared with acetate in lactating dairy cows. Journal of Nutrition 133:1100-1104. DOI |
7 | Pantoja J, Firkins JL, Eastridge ML. 1996. Fatty acid digestibility and lactation performance by dairy cows fed fats varying in degree of saturation. Journal of Dairy Science 79:429-437. DOI ScienceOn |
8 | Santos FAP, Santos JEP, Theurer CB, Huber JT. 1998. Effects of rumen-undegradable protein on dairy cow performance: A 12-year literature review. Journal of Dairy Science 81: 3182-3213. DOI ScienceOn |
9 | Tylutki TP, Fox DG, Durbal VM, Tedeschi LO, Russell JB, Van Amburgh ME, Overton TR, Chase LE, Pell AN. 2008. Cornell net carbohydrate and protein system: a model for precision feeding of dairy cattle. Animal Feed Science and Technology 143:174-202. DOI ScienceOn |
10 | Van Soest PJ, Robertson JB, Lewis BA. 1991. Methods for dietary fiber, neutral detergent fiber, and non-starch polysaccharides in relation to animal nutrition. Journal of Dairy Science 74:3583-3597. DOI ScienceOn |
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